CN104034512B - A kind of multi-purpose machine visual imaging platform - Google Patents
A kind of multi-purpose machine visual imaging platform Download PDFInfo
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- CN104034512B CN104034512B CN201310491547.1A CN201310491547A CN104034512B CN 104034512 B CN104034512 B CN 104034512B CN 201310491547 A CN201310491547 A CN 201310491547A CN 104034512 B CN104034512 B CN 104034512B
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- 238000003384 imaging method Methods 0.000 title claims abstract description 39
- 230000000007 visual effect Effects 0.000 title claims abstract description 17
- 238000003825 pressing Methods 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The present invention discloses a kind of multi-purpose machine visual imaging platform, its worktable is provided with ball-screw, one end of the screw rod of this ball-screw is provided with propelling motor, admittedly connect bottom the nut of this ball-screw and Stage microscope, described worktable is also provided with the guide rail that two are parallel to ball-screw, described Stage microscope both sides are placed on two guide rail slide blocks, described worktable both sides are hinged with two sway braces, described sway brace pin jointed end is provided with rotary drive motor, it is provided with motor direct-connected leading screw in described sway brace non-articulated end, gripping plate is fixed on the nut of motor direct-connected leading screw by support, described propelling motor, the motor that carries of rotary drive motor and motor direct-connected leading screw is all electrically connected with housing. the present invention has the features such as each parameter high precision such as point-to-point speed, angle of rotation, displacement is adjustable, Automated condtrol, multifunctional usage, is applicable to the multiple occasions such as machine vision imaging design, camera system demarcation.
Description
Technical field
The invention belongs to Light Electrical technical field. It is specifically related to a kind of multi-purpose machine visual imaging platform.
Background technology
Machine vision technique is main flow and the core technology of current industrial surface quality noncontact Aulomatizeted Detect, applies (such as hot rolling, cold rolled strip rolling line etc.) on the procedure production line that environment is severe, can effectively substitute manually, boost productivity. Based on the body surface digital picture of the imaging system acquisition that the unique information source of Surface Quality Inspection System of machine vision is made up of light source, camera etc., the quality of image directly determines subsequent software system final effect. Therefore how designing the imaging system that the best highlights defect is first key link, and imaging experiment is necessary approach, and experiment porch is then the important prerequisite ensureing that imaging experiment result is correct, feasible. The imaging platform tested for machine vision imaging at present also has relatively polymorphic type, its main drawback and deficiency are: time 1) to imaging samples, light source radiating angle, irradiation distance and the parameter such as camera shooting angle, subject distance are by manual shift, cannot accurately set, each parameter obtained in the configuration of optimal imaging light path cannot accurately be measured, and reduces the effect instructing industrial application; 2) often change the parameter in an imaging optical path (as light source radiating angle changes), all need to readjust respective holder, make light source irradiation and camera shooting alignment the same area, and error is relatively big, experiment comparability is poor, efficiency is low, operation is very inconvenient; 3) when adopting dissimilar camera (line array CCD and area array CCD) imaging, need to make sample static, at the uniform velocity or variable velocity motion, being ensured precision and the feedback of movement velocity, current imaging experiment platform function is more single, cannot meet multiple imaging requirements simultaneously simultaneously.
Summary of the invention
The present invention is intended to overcome prior art defect, it is provided that a kind of imaging optical path each parameter high precision setting tolerance, can Automated condtrol and simultaneously meet the multi-purpose machine visual imaging platform of different cameral imaging requirements.
For achieving the above object, a kind of multi-purpose machine visual imaging platform of the present invention comprises worktable, Stage microscope, described worktable is provided with ball-screw, one end of the screw rod of this ball-screw is connected with propelling motor, described worktable is also provided with the guide rail that two are parallel to ball-screw, described Stage microscope both sides are placed on two guide rail slide blocks, described two guide rail slide blocks are slidably matched with described two guide rails respectively, the bottom of described Stage microscope and the nut Joint of ball-screw, described worktable both sides are hinged with two sway braces, the pin jointed end of described sway brace is built-in with rotating shaft, rotating shaft in described sway brace is connected with the output shaft of speed reduction unit, the input shaft of described speed reduction unit is connected with rotary drive motor, described speed reduction unit is installed on described worktable, the centerline collineation of the rotating shaft in two sway braces, and this medullary ray is vertical with described guide rail, it is provided with motor direct-connected leading screw in the non-articulated end of described sway brace, the central axis of the screw rod of this motor direct-connected leading screw and the rotating shaft of sway brace, nut and support one end of this motor direct-connected leading screw connect admittedly, the other end of support is connected with adjustable gripping plate, two described adjustable gripping plates are equiped with camera at least one, the screw rod of described support and described motor direct-connected leading screw is perpendicular, described motor direct-connected leading screw carries motor, this motor is arranged at one end of its screw rod, described propelling motor, the motor that carries of rotary drive motor and motor direct-connected leading screw is all electrically connected with housing.
The motor that carries of described propelling motor, rotary drive motor and motor direct-connected leading screw is digital control AC servo motor above;
Described speed reduction unit is worm type of reduction gearing above.
The screw rod of described ball-screw is installed on the table by bearing and bearing support above, the screw rod of described motor direct-connected leading screw is arranged in sway brace by bearing and bearing support, the two ends of described worktable are provided with bore, and the bore of described guide rail two ends on described worktable is fixed.
Described Stage microscope is bolted with 4 pressing plates above.
Described two adjustable gripping plates can be equiped with camera, light source respectively above.
Described two adjustable gripping plates can also all be equiped with camera above.
Owing to adopting technique scheme, the present invention compared with prior art has the following advantages:
1, each parameter is driven by servomotor high precision and realizes, and precision height, tolerance property are good.
2, two sway braces rotate around same axis, and axis and sample place planes overlapping (regulating 4 pressing plates to realize), can accurately realize when sway brace rotates two rack alignment the same areas and apart from constant, efficiency height, easy to operate.
3, meet the multiple imaging requirements of dissimilar camera, specific scaling board is positioned over Stage microscope simultaneously and can realize the demarcation to camera system.
Therefore, the features such as the present invention has high precision, efficiently convenience, automatization regulates and multi-functional, are applicable to the occasions such as machine vision imaging experiment, camera system demarcation.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, it is briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is that a kind of multi-purpose machine visual imaging platform of the present invention is in the structural representation that state overlooks direction for the moment;
Fig. 2 is the structural representation of the main apparent direction of the present invention's a kind of multi-purpose machine visual imaging platform when being in state two.
In figure, 1 worktable, 2 pressing plates (4), 3 Stage microscopes, 4 rotary drive motors, 5 speed reduction units, 6 sway braces, 7 motor direct-connected leading screws, 8 line slideways, 9 supports, 10 adjustable gripping plates, 11 ball-screws, 12 housings, 13 guide rail slide blocks, 14 propelling motors, the nut of 15 ball-screws.
Embodiment
Below in conjunction with the accompanying drawing of the present invention, the technical scheme of the present invention is clearly and completely described, it is clear that described embodiment is only the present invention's part embodiment, instead of whole embodiments. Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
A kind of multi-purpose machine visual imaging platform, its structural representation is such as Fig. 1, shown in Fig. 2, this imaging platform comprises worktable 1, Stage microscope 3, described worktable 1 is provided with ball-screw 11, one end of the screw rod of this ball-screw 11 is connected with propelling motor 14, described worktable 1 is also provided with the guide rail 8 that two are parallel to ball-screw 11, described Stage microscope 3 both sides are placed on two guide rail slide blocks 13, described two guide rail slide blocks 13 are slidably matched with described two guide rails 8 respectively, the bottom of described Stage microscope 3 and nut 15 Joint of ball-screw, described worktable 1 both sides are hinged with two sway braces 6, the pin jointed end of described sway brace 6 is built-in with rotating shaft, rotating shaft in described sway brace 6 is connected with the output shaft of speed reduction unit 5, the input shaft of described speed reduction unit 5 is connected with rotary drive motor 4, described speed reduction unit 5 is installed on described worktable 1, the centerline collineation of the rotating shaft in two sway braces 6, and this medullary ray is vertical with described guide rail, it is provided with motor direct-connected leading screw 7 in the non-articulated end of described sway brace 6, the central axis of the screw rod of this motor direct-connected leading screw and the rotating shaft of sway brace, nut and support 9 one end of this motor direct-connected leading screw 7 connect admittedly, the other end of support 9 is connected with adjustable gripping plate 10, described two are adjustable gripping plate 10 is equiped with camera at least one, described support 9 is perpendicular with the screw rod of described motor direct-connected leading screw 7, described motor direct-connected leading screw 7 carries motor, this motor is arranged at one end of its screw rod, described propelling motor 14, the motor that carries of rotary drive motor 4 and motor direct-connected leading screw 7 is all electrically connected with housing 12, housing 12 advances motor 14 for controlling, the rotating speed carrying motor of rotary drive motor 4 and motor direct-connected leading screw 7 and direction.
The motor that carries of motor 14, rotary drive motor 4 and motor direct-connected leading screw 7 is advanced to be digital control AC servo motor.
Speed reduction unit 5 is worm type of reduction gearing.
The screw rod of ball-screw 11 is arranged on worktable 1 by bearing and bearing support, the screw rod of described motor direct-connected leading screw 7 is arranged in sway brace by bearing and bearing support, the two ends of described worktable 1 are provided with bore, and the bore of described guide rail 8 two ends on described worktable 1 is fixed.
Stage microscope 3 is bolted with 4 pressing plates 2.
In this structure, two adjustable gripping plates 10 are as adjustable platform, can there is the enforcement mode of two or more configuration scheme, such as: a kind of enforcement mode is: be equiped with camera, light source respectively by screw on two adjustable gripping plates 10, difference according to device (light source or the camera) size clamped can adopt the gripping plate of different sizes, the position of adjusting device is parallel with the screw rod of the motor direct-connected leading screw in respective sway brace to ensure by the axis of gripping element, then device is clamped by the screw screwed on adjustable gripping plate 10;Regulated the height of 4 pressing plates 2 by screw, fixed sample on Stage microscope 3, make sample surface fixing on Stage microscope 3 be a horizontal plane, and coplanar with the axial connecting line of the rotating shaft in two sway braces 6, namely OO ' line is in the plane at sample place; Camera focus and light-source brightness etc. is regulated to make imaging samples clear; Control to advance the speed of motor 14 by housing 12, thus make Stage microscope 3 do translational motion on the screw rod of ball-screw 11; Rotating speed and the direction of rotary drive motor 4 is controlled by housing 12, first by rotating speed and the direction of adjustment rotary drive motor 4, two sway braces 6 are made to be in vertical state, again by rotating speed and the direction of control rotary drive motor 4, rotary drive motor 4 drives speed reduction unit 5 transmission thus drives sway brace 6 to rotate around O point and can not locate, thus controls the angle of rotation of sway brace 6; Change angle successively, obtain the multiple series of images that light source irradiation angle is certain, camera shooting angle changes.
And in another kind of enforcement mode, two adjustable gripping plates 10 are all equiped with camera by screw. Adjust by clamping camera position to ensure that camera axis is parallel with the screw rod of the motor direct-connected leading screw in respective sway brace, then camera is clamped by the screw screwed on adjustable gripping plate 10; Stage microscope is fixed scaling board, is regulated the height of 4 pressing plates 2 by screw, make scaling board surface fixing on Stage microscope 3 be a horizontal plane; Camera focus is regulated to make scaling board imaging clearly; Rotating speed and the direction of rotary drive motor 4 is controlled by housing 12, thus control two sway brace angle of rotation (camera shooting angle), by controlling the rotating speed carrying motor of motor direct-connected leading screw 7, thus control the distance (subject distance) of two supports and each sway brace rotating shaft axis. By Stage microscope is placed scaling board, draw the relative position of two cameras, therefore can be used as the platform that camera system is demarcated.
Two kinds of modes are feasible scheme, it is achieved that different visual imaging occasions needs.
The present embodiment compared with prior art, has the following advantages:
1, the distance (irradiation distance and subject distance) in Stage microscope speed (sample movement velocity), two sway brace angle of rotation (light source radiating angle and camera shooting angle) and two supports and each sway brace rotating shaft axle center, all driving by servomotor high precision and realize, precision height, tolerance property are good.
2, two sway braces rotate around same axis, and axis and sample place planes overlapping (regulating 4 pressing plates to realize), can accurately realize light source irradiation and camera shooting alignment the same area when sway brace rotates (light source radiating angle or camera shooting angle change), and camera object distance is constant, efficiency height, easy to operate.
3, Stage microscope can accurately set reciprocal horizontal point-to-point speed or static not move, and meets the multiple imaging requirements of dissimilar camera (line array CCD and area array CCD), specific scaling board is positioned over Stage microscope simultaneously and can realize the demarcation to camera system.
Therefore, the features such as the present invention has high precision, efficiently convenience, automatization regulates and multi-functional, are applicable to the occasions such as machine vision imaging experiment, camera system demarcation.
The above; it is only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any it is familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (7)
1. a multi-purpose machine visual imaging platform, comprise worktable (1), Stage microscope (3), it is characterized in that: described worktable (1) is provided with ball-screw (11), one end of the screw rod of this ball-screw (11) is connected with propelling motor (14), described worktable (1) is also provided with the guide rail (8) that two are parallel to ball-screw (11), described Stage microscope (3) both sides are placed on two guide rail slide blocks (13), described two guide rail slide blocks (13) are slidably matched with described two guide rails (8) respectively, the bottom of described Stage microscope (3) and nut (15) Joint of ball-screw, described worktable (1) both sides are hinged with two sway braces (6), the pin jointed end of described sway brace (6) is built-in with rotating shaft, rotating shaft in described sway brace (6) is connected with the output shaft of speed reduction unit (5), the input shaft of described speed reduction unit (5) is connected with rotary drive motor (4), described speed reduction unit (5) is installed on described worktable (1), the centerline collineation of the rotating shaft in two sway braces (6), and this medullary ray is vertical with described guide rail, motor direct-connected leading screw (7) it is provided with in the non-articulated end of described sway brace (6), the central axis of the screw rod of this motor direct-connected leading screw and the rotating shaft of sway brace, nut and support (9) one end of this motor direct-connected leading screw (7) connect admittedly, the other end of support (9) is connected with adjustable gripping plate (10), two described adjustable gripping plates (10) are equiped with camera at least one, described support (9) is perpendicular with the screw rod of described motor direct-connected leading screw (7), described motor direct-connected leading screw (7) carries motor, this motor is arranged at one end of its screw rod, described propelling motor (14), the motor that carries of rotary drive motor (4) and motor direct-connected leading screw (7) is all electrically connected with housing.
2. multi-purpose machine visual imaging platform according to claim 1, it is characterised in that: the motor that carries of described propelling motor (14), rotary drive motor (4) and motor direct-connected leading screw (7) is digital control AC servo motor.
3. multi-purpose machine visual imaging platform according to claim 1, it is characterised in that: described speed reduction unit (5) is worm type of reduction gearing.
4. multi-purpose machine visual imaging platform according to claim 1, it is characterized in that: the screw rod of described ball-screw (11) is arranged on worktable (1) by bearing and bearing support, the screw rod of described motor direct-connected leading screw (7) is arranged in sway brace by bearing and bearing support, the two ends of described worktable (1) are provided with bore, and the bore of described guide rail (8) two ends on described worktable (1) is fixed.
5. multi-purpose machine visual imaging platform according to claim 1, it is characterised in that: described Stage microscope (3) is bolted with 4 pressing plates (2).
6. multi-purpose machine visual imaging platform according to claim 1 to 5 any claim, it is characterised in that: on two adjustable gripping plates (10) can one be equiped with camera, another is equiped with light source.
7. multi-purpose machine visual imaging platform according to claim 1 to 5 any claim, it is characterised in that: two adjustable gripping plates (10) are all equiped with camera.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310491547.1A CN104034512B (en) | 2013-10-18 | 2013-10-18 | A kind of multi-purpose machine visual imaging platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310491547.1A CN104034512B (en) | 2013-10-18 | 2013-10-18 | A kind of multi-purpose machine visual imaging platform |
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| CN104034512A CN104034512A (en) | 2014-09-10 |
| CN104034512B true CN104034512B (en) | 2016-06-08 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913721B (en) * | 2015-06-17 | 2018-06-26 | 上海工程技术大学 | A kind of experimental provision of industrial vision sensor detection |
| CN109827606B (en) * | 2017-11-23 | 2024-02-09 | 核工业西南物理研究院 | Rotary platform for calibrating multi-space-channel small-hole imaging type detection equipment |
| CN109977939B (en) * | 2019-04-16 | 2023-11-10 | 武汉科技大学 | Automatic bill image acquisition device and method based on machine vision |
| CN110567375A (en) * | 2019-10-11 | 2019-12-13 | 哈尔滨理工大学 | Multi-workpiece parallel vision measurement precision sliding table |
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| JP3560694B2 (en) * | 1994-06-10 | 2004-09-02 | ジョンソン・アンド・ジョンソン・ビジョン・ケア・インコーポレイテッド | Lens inspection system and method |
| CN103076189A (en) * | 2013-01-04 | 2013-05-01 | 武汉科技大学 | Laser binocular vision-based vehicle running deviation online automatic detection system |
| CN203534795U (en) * | 2013-10-18 | 2014-04-09 | 武汉科技大学 | Multifunctional machine vision imaging platform |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6493073B2 (en) * | 2000-12-11 | 2002-12-10 | Sheldon L. Epstein | System and method for measuring properties of an optical component |
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2013
- 2013-10-18 CN CN201310491547.1A patent/CN104034512B/en not_active Expired - Fee Related
Patent Citations (3)
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|---|---|---|---|---|
| JP3560694B2 (en) * | 1994-06-10 | 2004-09-02 | ジョンソン・アンド・ジョンソン・ビジョン・ケア・インコーポレイテッド | Lens inspection system and method |
| CN103076189A (en) * | 2013-01-04 | 2013-05-01 | 武汉科技大学 | Laser binocular vision-based vehicle running deviation online automatic detection system |
| CN203534795U (en) * | 2013-10-18 | 2014-04-09 | 武汉科技大学 | Multifunctional machine vision imaging platform |
Non-Patent Citations (2)
| Title |
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| 双目立体视觉***的非线性摄像机标定技术;刘源泂 等;《计算机应用研究》;20110930;第28卷(第9期);第3398-3400页 * |
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